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Orhan Koylu

PROFILE

Orhan Koylu

Orhan Koylu developed the Volunteer Shift Instruction Workflow for the oss-slu/shelter_volunteers repository, enabling staff to add and manage shift instructions through a React-based UI with an EditRequestModal and a toggle for displaying shelter instructions on upcoming shifts. He improved the reliability of service shift updates by enhancing error handling, standardizing API responses, and validating volunteer counts using Python, Flask, and MongoDB. Orhan also implemented user-facing feedback with toasts and cleaned up JSON encoding. His work addressed issues with data integrity and miscommunication, resulting in a more robust backend and a clearer, more efficient experience for volunteers and staff.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

8Total
Bugs
1
Commits
8
Features
1
Lines of code
801
Activity Months1

Your Network

59 people

Shared Repositories

20
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Work History

February 2026

8 Commits • 1 Features

Feb 1, 2026

February 2026 — oss-slu/shelter_volunteers: Delivered the Volunteer Shift Instruction Workflow and hardened service shift updates, delivering clearer instructions, more reliable updates, and improved user feedback. Key outcomes: (1) Feature: Volunteer Shift Instruction Workflow with UI EditRequestModal and a toggle to display shelter instructions on upcoming shifts. Commits: 86366b3ad8c2db6cc78a766af427e7a9a74da6aa; 8432ea4c8b7f61a6acbf7ddf36a71fb28bb27633; 62f172c3a4da0f2df23393e4924209ab25180552; 33e5ed2cdfd4d1e9456535688ee63f195a7ebefe. (2) Bug fix: Service Shift Update Error Handling and Reliability: improved error handling for patching shifts, standardized API responses, cleaned JSON encoder, added user-facing toasts, and validated volunteer counts. Commits: d78fe5cc8532350096d1a38f46bd30828f4a364b; c1a4ac18e3ee858c687f40b19fb9444fd74b48b8; a9bbeeac91ea0c3d8b85152bf2a928d7271d0c2b; 5c62bc7e9567bba71c1b13a1d35fa2be07d23209. (3) Impact: improved operational efficiency and data integrity, reduced miscommunication, and better user experience for volunteers and staff. (4) Technologies/skills: front-end UI (EditRequestModal, display toggle), error toasts, API robustness, JSON encoding, input validation.

Activity

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Quality Metrics

Correctness92.6%
Maintainability85.0%
Architecture85.0%
Performance85.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CSSJavaScriptPython

Technical Skills

API developmentFlaskMongoDBNode.jsPythonReactback end developmentbackend developmenterror handlingfront end developmenttesting

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

oss-slu/shelter_volunteers

Feb 2026 Feb 2026
1 Month active

Languages Used

CSSJavaScriptPython

Technical Skills

API developmentFlaskMongoDBNode.jsPythonReact